dracut-module-setup.sh: fix a ambiguous variable reference
Wrap the variable with {...}, else it may get interpreted as array due to the '[' char next to it. Signed-off-by: Kairui Song <kasong@redhat.com> Acked-by: Philipp Rudo <prudo@redhat.com>
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@ -689,11 +689,11 @@ kdump_install_conf() {
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case "$_opt" in
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raw)
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_pdev=$(persistent_policy="by-id" kdump_get_persistent_dev $_val)
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sed -i -e "s#^$_opt[[:space:]]\+$_val#$_opt $_pdev#" ${initdir}/tmp/$$-kdump.conf
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sed -i -e "s#^${_opt}[[:space:]]\+$_val#$_opt $_pdev#" ${initdir}/tmp/$$-kdump.conf
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;;
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ext[234]|xfs|btrfs|minix)
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_pdev=$(kdump_get_persistent_dev $_val)
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sed -i -e "s#^$_opt[[:space:]]\+$_val#$_opt $_pdev#" ${initdir}/tmp/$$-kdump.conf
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sed -i -e "s#^${_opt}[[:space:]]\+$_val#$_opt $_pdev#" ${initdir}/tmp/$$-kdump.conf
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;;
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ssh|nfs)
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kdump_install_net "$_val"
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